handle older open ephys format for single probe

Author: Thinh Nguyen

element_array_ephys/readers/openephys.py

@@ -79,9 +79,13 @@ def load_probe_data(self):
                 if processor['@pluginName'] in ('Neuropix-PXI', 'Neuropix-3a'):
                     if (processor['@pluginName'] == 'Neuropix-3a'
                             or 'NP_PROBE' not in processor['EDITOR']):
-                        for probe_index in range(len(processor['EDITOR']['PROBE'])):
-                            probe = Probe(processor, probe_index)
+                        if isinstance(processor['EDITOR']['PROBE'], dict):
+                            probe = Probe(processor, 0)
                             probes[probe.probe_SN] = probe
+                        else:
+                            for probe_index in range(len(processor['EDITOR']['PROBE'])):
+                                probe = Probe(processor, probe_index)
+                                probes[probe.probe_SN] = probe
                     else:
                         for probe_index in range(len(processor['EDITOR']['NP_PROBE'])):
                             probe = Probe(processor, probe_index)
@@ -137,7 +141,7 @@ def __init__(self, processor, probe_index=0):
         self.processor_id = int(processor['@NodeId'])
 
         if processor['@pluginName'] == 'Neuropix-3a' or 'NP_PROBE' not in processor['EDITOR']:
-            self.probe_info = processor['EDITOR']['PROBE'][probe_index]
+            self.probe_info = processor['EDITOR']['PROBE'] if isinstance(processor['EDITOR']['PROBE'], dict) else processor['EDITOR']['PROBE'][probe_index]
             self.probe_SN = self.probe_info['@probe_serial_number']
             self.probe_model = {
                 "Neuropix-PXI": "neuropixels 1.0 - 3B",

element_array_ephys/readers/spikeglx.py

@@ -15,6 +15,8 @@
 
 class SpikeGLX:
 
+    required_files = ('*.ap.meta', '*.ap.bin')
+
     def __init__(self, root_dir):
         '''
         create neuropixels reader from 'root name' - e.g. the recording: